Home / 262,979.28-394,535.16-75,989.52

Finding the Fourth Proportional to 262,979.28, 394,535.16 and 75,989.52

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Solution

The fourth proportional to 262,979.28, 394,535.16 and 75,989.52 is: 114,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,979.28 : 394,535.16 = 75,989.52 : x
  2. Step 2: Convert to fraction form
    262,979.28/394,535.16 = 75,989.52/x
  3. Step 3: Cross multiply
    262,979.28x = 394,535.16 × 75,989.52
  4. Step 4: Simplify right side
    262,979.28x = 29,980,537,431.52
  5. Step 5: Solve for x
    x = 29,980,537,431.52/262,979.28
  6. Step 6: Final answer
    x = 114,003.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.